133220230111 has 4 divisors (see below), whose sum is σ = 133253631000. Its totient is φ = 133186829224.

The previous prime is 133220230109. The next prime is 133220230147. The reversal of 133220230111 is 111032022331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133220230111 - 2¹ = 133220230109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133220200111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16694461 + ... + 16702438.

It is an arithmetic number, because the mean of its divisors is an integer number (33313407750).

Almost surely, 2^133220230111 is an apocalyptic number.

133220230111 is a deficient number, since it is larger than the sum of its proper divisors (33400889).

133220230111 is an equidigital number, since it uses as much as digits as its factorization.

133220230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33400888.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133220230111 its reverse (111032022331), we get a palindrome (244252252442).

The spelling of 133220230111 in words is "one hundred thirty-three billion, two hundred twenty million, two hundred thirty thousand, one hundred eleven".